Fix tree shaking

[Zn4rK]

Refactor of the build script to make sure we're not bundling the library. This will help the tree shaking process of other bundlers.

[changeset-bot]

🦋 Changeset detected

Latest commit: f58e7a4

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 16 packages

Name	Type
@navita/next-plugin	Patch
@navita/vite-plugin	Patch
@navita/engine	Patch
@navita/core	Patch
@navita/jest	Patch
@navita/css	Patch
@navita/swc	Patch
@navita/adapter	Patch
@navita/types	Patch
@navita/webpack-plugin	Patch
with-next-app-dir	Patch
navita-with-next-example	Patch
navita	Patch
navita-with-vite-example	Patch
navita-example-with-jest	Patch
navita-with-webpack-example	Patch

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